horology y测时法
JP HOROLOGY印度买家
Basic Horology准时知识堂
technical horology技术用钟
Horology Class草药课
is skilled in horology精于钟表制造
Horology in general钟表学综合
NAWCC School of HorologyNAWCC钟表学学校
Illustrated Professional Dictionary of Horology专业钟表插图字典
N（名词） the art or science of making timepieces or of measuring time 钟表学; 测时法